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252 lines
8.7 KiB
C++
252 lines
8.7 KiB
C++
//
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// Created by dannu on 4/21/2026.
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//
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#pragma once
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#include "common/emu_versions.h"
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#include "common/patches/client_version.h"
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#include "common/patches/IBuff.h"
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#include "common/patches/IMessage.h"
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#include "zone/client.h"
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#include "zone/mob.h"
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// store all _generic_ static functions for the different patches here
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namespace ClientPatch {
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using ClientList = std::unordered_map<uint16, Client*>;
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template<typename Obj> using ComponentGetter = std::function<Obj*(const Client*)>;
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template <typename Fun, typename Obj, typename... Args>
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requires std::is_member_function_pointer_v<Fun>
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static void QueuePacket(Client* c, Fun fun, Obj* obj, Args&&... args)
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{
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if (obj != nullptr) {
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std::unique_ptr<EQApplicationPacket> app = std::invoke(fun, obj, std::forward<Args>(args)...);
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if (app)
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c->QueuePacket(app.get());
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}
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}
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// packet generator queue functions
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static auto QueueClients(Mob* sender, bool ignore_sender = false, bool ackreq = true)
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{
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return [=]<typename Fun, typename Obj, typename... Args>(Fun fun, const ComponentGetter<Obj>& component, Args&&... args)
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requires std::is_member_function_pointer_v<Fun>
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{
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std::array<std::unique_ptr<EQApplicationPacket>, EQ::versions::ClientVersionCount> build_packets;
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std::unordered_map<uint16, Client*> client_list = entity_list.GetClientList();
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for (auto [_, ent] : client_list) {
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if (!ignore_sender || ent != sender) {
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auto& packet = build_packets.at(static_cast<uint32_t>(ent->ClientVersion()));
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if (!packet)
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if (auto comp = component(ent); comp != nullptr)
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packet = std::invoke(fun, comp, std::forward<Args>(args)...);
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if (packet)
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ent->QueuePacket(packet.get(), ackreq, Client::CLIENT_CONNECTED);
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}
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}
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};
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}
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static auto QueueCloseClients(
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Mob* sender, bool ignore_sender = false, float distance = 200,
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Mob* skipped_mob = nullptr, bool is_ack_required = true,
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eqFilterType filter = FilterNone)
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{
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if (distance <= 0) distance = static_cast<float>(zone->GetClientUpdateRange());
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return [=]<typename Fun, typename Obj, typename... Args>(Fun fun, const ComponentGetter<Obj>& component, Args&&... args)
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requires std::is_member_function_pointer_v<Fun>
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{
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if (sender == nullptr) {
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QueueClients(sender, ignore_sender, is_ack_required)(fun, component, std::forward<Args>(args)...);
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} else {
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float distance_squared = distance * distance;
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std::array<std::unique_ptr<EQApplicationPacket>, EQ::versions::ClientVersionCount> build_packets;
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for (auto& [_, mob] : sender->GetCloseMobList(distance)) {
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if (mob && mob->IsClient()) {
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Client* client = mob->CastToClient();
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if ((!ignore_sender || client != sender)
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&& client != skipped_mob
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&& DistanceSquared(client->GetPosition(), sender->GetPosition()) < distance_squared
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&& client->Connected()
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&& client->ShouldGetPacket(sender, filter))
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{
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auto& packet = build_packets.at(static_cast<uint32_t>(client->ClientVersion()));
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if (!packet)
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if (auto comp = component(client); comp != nullptr)
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packet = std::invoke(fun, comp, std::forward<Args>(args)...);
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if (packet)
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client->QueuePacket(packet.get(), is_ack_required, Client::CLIENT_CONNECTED);
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}
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}
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}
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}
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};
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}
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template <typename Fun, typename Obj, typename... Args>
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static void FastQueuePacket(Client* c, Fun fun, Obj* obj, Args&&... args)
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requires std::is_member_function_pointer_v<Fun>
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{
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if (obj != nullptr) {
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std::unique_ptr<EQApplicationPacket> app = std::invoke(fun, obj, std::forward<Args>(args)...);
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if (app) {
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// FastQueuePacket specifically takes lifetime management of packet, so release here
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EQApplicationPacket* packet = app.release();
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c->FastQueuePacket(&packet);
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}
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}
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}
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static auto QueueClientsByTarget(Mob* sender, bool iSendToSender, Mob* SkipThisMob, bool ackreq, bool HoTT,
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uint32 ClientVersionBits, bool inspect_buffs, bool clear_target_window)
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{
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return [=]<typename Fun, typename Obj, typename... Args>(Fun fun, const ComponentGetter<Obj> component, Args&&... args)
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requires std::is_member_function_pointer_v<Fun>
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{
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std::unordered_map<EQ::versions::ClientVersion, EQApplicationPacket*> build_packets;
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std::unordered_map<uint16, Client*> client_list = entity_list.GetClientList();
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for (auto [_, c] : client_list) {
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if (c != SkipThisMob && (iSendToSender || c != sender)) {
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Mob* Target = c->GetTarget();
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if (Target != nullptr) {
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// if (Target == sender || (iSendToSender && c == sender) || (HoTT && Target->GetTarget() == sender)) {
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// // the client has the sender targeted, so check if we send the packet
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// EQApplicationPacket* app = std::invoke(fun, component_getter(c), std::forward<Args>(args)...);
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// }
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Mob* TargetsTarget = Target->GetTarget();
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bool Send = iSendToSender && c == sender;
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if (c != sender) {
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if (Target == sender) {
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if (inspect_buffs) { // if inspect_buffs is true we're sending a mob's buffs to those with the LAA
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Send = clear_target_window;
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if (c->GetGM() || RuleB(Spells, AlwaysSendTargetsBuffs)) {
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if (c->GetGM()) {
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if (!c->EntityVariableExists(SEE_BUFFS_FLAG)) {
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c->Message(Chat::White,
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"Your GM flag allows you to always see your targets' buffs.");
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c->SetEntityVariable(SEE_BUFFS_FLAG, "1");
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}
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}
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Send = !clear_target_window;
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} else if (c->IsRaidGrouped()) {
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Raid* raid = c->GetRaid();
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if (raid) {
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uint32 gid = raid->GetGroup(c);
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if (gid < MAX_RAID_GROUPS && raid->GroupCount(gid) >= 3) {
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if (raid->GetLeadershipAA(groupAAInspectBuffs, gid))
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Send = !clear_target_window;
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}
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}
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} else {
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Group* group = c->GetGroup();
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if (group && group->GroupCount() >= 3) {
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if (group->GetLeadershipAA(groupAAInspectBuffs)) {
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Send = !clear_target_window;
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}
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}
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}
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} else {
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Send = true;
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}
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} else if (HoTT && TargetsTarget == sender) {
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Send = true;
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}
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}
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if (Send && (c->ClientVersionBit() & ClientVersionBits)) {
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EQApplicationPacket* app = std::invoke(fun, component(c), std::forward<Args>(args)...);
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}
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}
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}
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}
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};
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}
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} // namespace ClientPatch
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// Helpers for the Message interface to send message packets
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namespace Message {
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// this can return nullptr when the component doesn't exist for the version
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static std::function GetComponent = [](const Client* c) -> IMessage* {
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return GetMessageComponent(c->GetClientVersion()).get();
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};
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// Helper functions to wrap the packet construction in sends
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template <AllConstChar... Args>
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requires (sizeof...(Args) <= 9)
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void MessageString(Client* c, uint32_t type, uint32_t id, Args&&... args)
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{
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if constexpr (sizeof...(Args) == 0) {
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ClientPatch::QueuePacket(c, &IMessage::Simple, GetComponent(c), type, id);
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} else {
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std::array<const char*, 9> a = {args...};
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ClientPatch::QueuePacket(c, &IMessage::Formatted, GetComponent(c), type, id, a);
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}
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}
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static auto CloseMessageString(
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Mob* sender, bool ignore_sender = false, float distance = 200.f,
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Mob* skipped_mob = nullptr, bool is_ack_required = true,
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eqFilterType filter = FilterNone)
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{
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return [=]<AllConstChar... Args>(uint32_t type, uint32_t id, Args&&... args)
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requires (sizeof...(Args) <= 9)
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{
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auto queue_close_clients = ClientPatch::QueueCloseClients(sender, ignore_sender, distance, skipped_mob,
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is_ack_required, filter);
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if constexpr (sizeof...(Args) == 0) {
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return queue_close_clients(&IMessage::Simple, GetComponent, type, id);
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} else {
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std::array<const char*, 9> a = {args...};
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return queue_close_clients(&IMessage::Formatted, GetComponent, type, id, a);
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}
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};
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}
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inline void InterruptSpell(Client* c, uint32_t message, uint32_t spawn_id, const char* spell_link)
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{
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ClientPatch::QueuePacket(c, &IMessage::InterruptSpell, GetComponent(c), message, spawn_id, spell_link);
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}
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inline void InterruptSpellOther(Mob* sender, uint32_t message, uint32_t spawn_id, const char* name,
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const char* spell_link)
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{
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ClientPatch::QueueCloseClients(sender, true, RuleI(Range, SongMessages), nullptr, true,
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sender->IsClient() ? FilterPCSpells : FilterNPCSpells)(
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&IMessage::InterruptSpellOther, GetComponent, sender, message, spawn_id, name, spell_link);
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}
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} // namespace Message
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// helper functions to handle sending buffs
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namespace Buff {
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static std::function GetComponent = [](const Client* c) -> IBuff* {
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return GetBuffComponent(c->GetClientVersion()).get();
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};
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inline void SendLegacyBuffsPacket(Client* c, Mob* sender, int32 timer, bool for_target = true, bool clear_buffs = false)
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{
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ClientPatch::FastQueuePacket(c, &IBuff::MakeLegacyBuffsPacket, GetComponent(c), sender, timer, for_target, clear_buffs);
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}
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inline void SendLegacyBuffsPacketToClients(Client* c, bool for_target = true, bool clear_buffs = false)
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{
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}
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} // namespace Buff
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